HISTER. 415 



notch between intermediate legs. L. 3 — 3.! 1. Not iin- 

 conimoii. H. succicola, Tli. 



J> Ji. Anterior tibiae with four teeth. 



Siniihir to H. cadavcrinnpt, but witli parallel sides, club of 

 antennae reddish, thoracic striae stronger, their interstice 

 punctured, sublunneral depression of elytra less punctured, 

 posterior tibiae shorter and broader. L. 3 1. Not common. 



H. mcrdarius, E. H. 

 II, Thorax with only one lateral stria on each side. 

 J . Lateral stria on elytra not aljbreviated. 



A A, Sutural stria on elytra reaching only from 

 about middle to apex. 



a a. First dorsal stria on elytra much shorter 

 than sutural one. 



A a. Four outer dorsal striae on elytra 

 entire, or nearly so. 



Oblong-oval. Black, shiny. Lateral stria on thorax 

 entire ; subhumeral depression of elytra with one furrow, 

 distinctly punctured ; anterior tibiae with six teeth, apical 

 one bifid ; propygidium rather closely, pygidium more 

 closely punctured. L. 3 1. Kather common. 



H. neglectus, Germ. 



J> 1). Three outer dorsal striae on elytra 

 entire. 

 Oval. Black, shiny. Lateral stria on thorax entire ; 

 subhumeral depression of elytra rather deep, with one 

 furrow, rather strongly punctured ; anterior tibiae with five 

 teeth, apical one bifid ; propygidium and pygidium not 

 very closely punctured. L. 2i 1. Common. 



H. carbonarius, E. H. 



b b. First dorsal stria on elytra not much 

 shorter than sutural one. 



Oval. Black, shiny ; each elytron generally with a large, 

 badly defined red spot. Lateral stria on thorax entire, 

 strong ; elytra with four outer dorsal striae entire or nearly 

 so, subhumeral depression distinct but not deep, with one 

 furrow, impunctate ; anterior tibiae witli five teeth ; pro- 

 pygidium and pygidium rather strongly and closely punc- 

 tured. L. 2i 1. liather common. 



IT. i^urpurascens, Herbst. 



